生存下来的不是最强壮的物种,也不是最聪明的物种,而是对变化反应最迅速的物种。
我们的矿工是美国最勤劳的人。
The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.
I don't believe in luck. I believe in hard work.